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Add support for BSD in libbacktrace.
https://gcc.gnu.org/ml/gcc-patches/2018-03/msg00068.html
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@ -34,16 +34,49 @@ POSSIBILITY OF SUCH DAMAGE. */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/param.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <unistd.h>
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#ifdef BSD
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# include <sys/sysctl.h>
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# include <limits.h>
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#endif
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#include "backtrace.hpp"
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#include "internal.hpp"
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#ifndef HAVE_GETEXECNAME
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#define getexecname() NULL
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#ifdef BSD
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# if !defined HAVE_GETEXECNAME && defined KERN_PROC_PATHNAME
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# define HAVE_GETEXECNAME
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static char execname[PATH_MAX + 1];
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static const char *
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getexecname(void)
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{
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size_t path_len = sizeof(execname);
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int mib[] = {
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CTL_KERN,
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#if defined(__NetBSD__)
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KERN_PROC_ARGS,
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-1,
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KERN_PROC_PATHNAME,
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#else
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KERN_PROC,
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KERN_PROC_PATHNAME,
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-1,
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#endif
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};
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u_int miblen = sizeof(mib) / sizeof(mib[0]);
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int rc = sysctl(mib, miblen, execname, &path_len, NULL, 0);
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return rc ? NULL : execname;
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}
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# endif
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#else
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# ifndef HAVE_GETEXECNAME
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# define getexecname() NULL
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# endif
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#endif
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namespace tracy
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